Back scrubber



FIG. 1 is a front elevational view of the back scrubber of the present invention;

FIG. 2 is a top plan view of the back scrubber of FIG. 1, the bottom plan view being a mirror image thereof;

FIG. 3 is a left side elevational view of the back scrubber of FIG. 1, the right side elevational view being a mirror image thereof; and,

FIG. 4 is a top, rear, left side perspective view of the back scrubber of FIG. 1 in an alternate position. 

The ornamental design for a back scrubber, as shown and described. 